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We solve Einstein equations on the brane to derive the exact form of thebraneworld-corrected perturbations in Kerr-Newman singularities, usingRandall-Sundrum and Arkani-Hamed-Dimopoulos-Dvali (ADD) models. It is aconsequence of such models the possibility that Kerr-Newman mini-black holescan be produced in LHC. We use this approach to derive a normalized correctionfor the Schwarzschild Myers-Perry radius of a static $(4+n)$-dimensionalmini-black hole, using more realistic approaches arising from Kerr-Newmanmini-black hole analysis. Besides, we prove that there are four Kerr-Newmanblack hole horizons in braneworld scenario we use, although only the outerhorizon is relevant in the physical measurable processes. Parton cross sectionsin LHC and Hawking temperature are also investigated as functions of Planckmass (in the LHC range 1-10 TeV), mini-black hole mass and the number of largeextra dimensions in braneworld large extra-dimensional scenarios. In this casea more realistic brane effect-corrected formalism can achieve more preciselythe effective extra-dimensional Planck mass and the number of large extradimensions -- in Arkani-Hamed-Dimopoulos-Dvali model -- or the size of thewarped extra dimension -- in Randall-Sundrum formalism.Comment: 11 pages, 23 figures, citations update

Extra dimensions at the CERN LHC via mini-black holes: Effective Kerr-Newman brane-world effects